Home / 9,864.28-13,611.78-5,884.60

Finding the Fourth Proportional to 9,864.28, 13,611.78 and 5,884.60

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Solution

The fourth proportional to 9,864.28, 13,611.78 and 5,884.60 is: 8,120.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,864.28 : 13,611.78 = 5,884.60 : x
  2. Step 2: Convert to fraction form
    9,864.28/13,611.78 = 5,884.60/x
  3. Step 3: Cross multiply
    9,864.28x = 13,611.78 × 5,884.60
  4. Step 4: Simplify right side
    9,864.28x = 80,099,880.59
  5. Step 5: Solve for x
    x = 80,099,880.59/9,864.28
  6. Step 6: Final answer
    x = 8,120.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.